<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
          <el-option
            v-for="item in list"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="hCancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import { getEmployeeSimple } from '@/api/employees'
import { addDepartments, updateDepartments, getDepartmentsDetails } from '@/api/departments'

export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 自定义检验
    const valicode = (rule, value, callback) => {
      // 判断输入的code 是否与项目中保存的code一致
      let existcode = this.originList.map(item => item.code)
      // 编辑状态下 code问题报错
      existcode = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      // console.log(this.originList.filter(item => item.id !== this.id), '11')
      // console.log(this.originList.filter(item => item.id !== this.id).map(item => item.code), '222')
      if (existcode.includes(value)) {
        callback(new Error(`已经 ${value}存在请重新数输入`))
      } else {
        // 不存在 放行
        callback()
      }
    }
    // 检验部门名称同级中不能重复
    const valiname = (rule, value, callback) => {
      // 找到当前点击的子部门
      // let existname = this.originList.map(item => item.name)
      // 判断用户输入的部门是否已经存在数组中
      let existname = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      // 编辑状态下
      if (this.isEdit) {
        // 获取部门的pid
        const pid = this.originList.find(item => item.id === this.id).pid
        // 获取被占用的名称列表
        existname = this.originList.filter(item => item.pid === pid).filter(item => item.pid !== this.id).map(item => item.name)
      }
      console.log(existname, 'existname')

      if (existname.includes(value)) {
        callback(new Error(`部门已经 ${value}存在请重新数输入`))
      } else {
        // 不存在 放行
        callback()
      }
    }
    return {
      list: [], // 保存负责人的列表
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      // 校验规则
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: valiname, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: valicode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 30, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      }
    }
  },
  // 方式三 watch 解决数据不跟新的方式
  // watch: {
  //   // 可以监听props和data中函数的属性数据的变化
  //   id: {
  //     function(new_data, old_data) {
  //       this.loadDepartmentsDetails()
  //     }
  //   }
  // },
  created() {
    this.loadEmployeeSimple()
    // 如果是编辑状态 触发函数实现编辑
    if (this.isEdit) {
      this.loadDepartmentsDetails()
    }
  },
  methods: {
    // 重置表单 ---
    // resetForm() {
    //   this.$refs.deptForm.resetFields()
    // },
    // 获取部门详细列表信息
    async loadDepartmentsDetails() {
      const res = await getDepartmentsDetails(this.id)
      if (res.code === 10000) {
        this.form = res.data
      }
    },
    // 获取员工信息
    async loadEmployeeSimple() {
      const res = await getEmployeeSimple()
      console.log(res, '获取员工负责人')
      this.list = res.data
    },
    // 新增子部门
    // 缺少父的pid 从父接收过来
    async doadd() {
      try {
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log(res, 'res')
        if (res.code !== 10000) return
        this.$message.success(res.message)
        // 重新渲染
        this.$emit('success')
        // 关闭弹窗
      } catch (error) {
        console.log(error)
      }
    },
    // 实现编辑部门
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染
        this.$emit('success')
        // 关闭弹窗
      } catch (error) {
        console.log(error)
      }
    },

    // 确定
    hSubmit() {
      this.$refs.deptForm.validate((valid) => {
        if (!valid) return // 检验失败
        // 校验成功
        this.isEdit ? this.doEdit() : this.doadd()
      })
    },
    // 取消
    // 子传父 关闭弹窗
    hCancel() {
      this.$emit('close')
    }
  }
}
</script>
